Problem: Fill Alternating Layers

Code: Fill+Alternating+Layers/tails_1645286837

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

(implicit map):[chr] 
    `\ (special scans):[[chr]] 
        @ (= fstLine):[chr] 
        ; (foldop: rev cons):null 
    ? (if/else):chr <--arg( B:[chr] A:[chr] ) 
        / (foldr1):chr 
            $ (= B):[chr] 
            $ (= D):chr <--arg( D:chr C:chr ) 
        $ (= E):chr <--arg( E:chr ) 
        = (subscript (wrapped)):chr 
            , (length):int 
                | (filter):[chr] 
                    $ (= B):[chr] 
                    $ (= F):chr <--arg( F:chr ) 
            "* " (string):[chr]